import  math
from math import sqrt
def  add(x,y):
    return x+y
def  div(x,y):
    return  x/y
def  sub(x,y):
    return  x-y
def mul(x,y):
    return x*y
def yushu(x,y):
    return x%y

def shang(x,y):
    return x/y
def mi(x,y):
    return x**y

def shang_int(x,y):
    return x//y

def sqrt_1(x):
    return sqrt(x)

if __name__=='__main__':
    print(yushu(11,4))
    print(add(11, 4))
    print(div(11, 4))
    print(sub(11, 4))
    print(mul(11, 4))
    print(shang(11, 4))
    print(mi(11, 4))
    print(yushu(11, 4))
    print(shang_int(11, 4))
    print(sqrt_1(4))